---
product_id: 540018135
title: "Surge Protection PV DC Isolator Switch Lightning Protection Circuit Breaker 500 VDC 2-Pin 40 A 20-40 KA Solar Voltage Protection for Photovoltaic IP65 Waterproof (1000 VDC x2 20-40 KA)"
brand: "dihool"
price: "€ 223.10"
currency: EUR
in_stock: true
url: https://www.desertcart.fi/products/540018135-surge-protection-pv-dc-isolator-switch-lightning-protection-circuit-breaker
store_origin: FI
region: Finland
---

# 40A high current capacity IP65 waterproof rating 1000 VDC surge protection Surge Protection PV DC Isolator Switch Lightning Protection Circuit Breaker 500 VDC 2-Pin 40 A 20-40 KA Solar Voltage Protection for Photovoltaic IP65 Waterproof (1000 VDC x2 20-40 KA)

**Brand:** dihool
**Price:** € 223.10
**Availability:** ✅ In Stock

## Summary

> ⚡ Power up your solar safety with surge-proof confidence!

## Quick Answers

- **What is this?** Surge Protection PV DC Isolator Switch Lightning Protection Circuit Breaker 500 VDC 2-Pin 40 A 20-40 KA Solar Voltage Protection for Photovoltaic IP65 Waterproof (1000 VDC x2 20-40 KA) by dihool
- **How much does it cost?** € 223.10 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/540018135-surge-protection-pv-dc-isolator-switch-lightning-protection-circuit-breaker)

## Best For

- dihool enthusiasts

## Why This Product

- Trusted dihool brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Wide Cable Compatibility:** Supports 5-10mm diameter cables (10-4 AWG) for flexible wiring options.
- • **IP65 Waterproof Enclosure:** Durable protection against dust and water for outdoor solar setups.
- • **Universal No-Polarity Design:** Simplifies installation by supporting both positive and negative poles.
- • **Robust 40A DC Circuit Breaker:** Handles high current loads with ease for reliable solar power safety.
- • **Transparent Cover for Instant Status:** Quick visual check of breaker status without disassembly.

## Overview

The Surge Protection PV DC Isolator Switch is a 40A, 2-pin circuit breaker designed for photovoltaic systems, offering 1000 VDC surge protection with a robust IP65 waterproof ABS enclosure. Its no-polarity design and wide cable compatibility make it ideal for both networked and off-grid solar installations, ensuring reliable and easy-to-monitor solar power safety.

## Description

Full description not available

## Features

- 40A DC circuit breaker, no polarity, waterproof IP65 box, DC surge protection allows the replacement of the protective element (MOV)
- Rated voltage: DC 12-400V, protection - and + pole
- Adapter cable: 5-10mm diameter cable, 10-4AWG cable, large wiring space
- With IP65 waterproof and easy to install, the transparent cover also makes it easier to check the status of the circuit breaker.
- The Breaker Box is suitable for networked photovoltaic solar panels and off-grid solar power generation systems. PV Array Motorhome solar

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | DIHOOL ELECTRIC |
| Part number | DECDEFH2022013029 |
| Item Weight | 1.94 kg |
| Product Dimensions | 14 x 16 x 10 cm; 1.94 kg |
| Manufacturer reference | DECDEFH2022013029 |
| Style | 1000VDC x2 20-40KA |
| Material | Acrylonitrile Butadiene Styrene (ABS) |
| Voltage | 1000 Volts (DC) |
| Plug profile | DIN Rail Mount |
| Included components | 1 |
| Batteries included? | No |
| Batteries Required? | No |

## Product Details

- **Brand:** DIHOOL
- **Material:** Acrylonitrile Butadiene Styrene (ABS)
- **Number of circuits:** 2
- **Phase type:** Single Phase
- **Manufacturer:** DIHOOL ELECTRIC

## Images

![Surge Protection PV DC Isolator Switch Lightning Protection Circuit Breaker 500 VDC 2-Pin 40 A 20-40 KA Solar Voltage Protection for Photovoltaic IP65 Waterproof (1000 VDC x2 20-40 KA) - Image 1](https://m.media-amazon.com/images/I/61msxsMeuDL.jpg)

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**Shop now:** [https://www.desertcart.fi/products/540018135-surge-protection-pv-dc-isolator-switch-lightning-protection-circuit-breaker](https://www.desertcart.fi/products/540018135-surge-protection-pv-dc-isolator-switch-lightning-protection-circuit-breaker)

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*Product available on Desertcart Finland*
*Store origin: FI*
*Last updated: 2026-02-18*